package com.xuhuan.collection.system;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;

/**
 * @Author huan.xu
 * @Date 2022/3/24 16:19
 * @Description 集合体系图
 */
public class CollectionSystem {

    public static void main(String[] args) {
        Map
    }

}
